undefined is not an object (evaluating Transform.call') React Native #26

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1. tarungomile commented on Feb 15, 2021

   

   tarungomile

   on Feb 15, 2021

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   Any solution for this issue? - I am facing it too!!

   My babel.config.js

   module.exports = {
     presets: ['module:metro-react-native-babel-preset'],
     plugins: [ ["babel-plugin-rewrite-require", { aliases: { crypto: 'crypto-browserify' } } ] ]
   };
   
   
2. fiatjaf commented on Dec 11, 2021

   

   fiatjaf

   on Dec 11, 2021

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   I also have this issue, it comes from cipher-base, a dependency, assuming we're in Node.js and that we have the stream package with a .Transform object in it -- which we don't.
3. fiatjaf commented on Dec 11, 2021

   

   fiatjaf

   on Dec 11, 2021

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   The solution is to install readable-stream from npm and create an alias using your transpiler thing (browserify, webpack, rollup etc.) from stream to readable-stream.

   See browserify/cipher-base#10 (comment), for example.

   👍React with 👍2Reacted by monlovesmango and JaeWang Lee
4. RahulPant1289 commented on Oct 19, 2022

   

   RahulPant1289

   on Oct 19, 2022

   Last edited by RahulPant1289

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   Hello Everyone,
   I am facing the same issue ### [TypeError: undefined is not an object (evaluating 'Transform.call')]
   When I am trying to make the API Call:

   try {
           const userId = yield select(makeSelectUserId())
           const deviceId = yield getUniqueId()
           const API_URL = `${API_BASE_URL}/users/personalization/api`
           const jsonBody = JSON.stringify({
               userId,
               deviceId,
               usecases,
               googleAdId
           })
           console.log("jsonBody------------->>>>>>>>>>>>>", jsonBody);
           const reqBodyDigest = crypto.createHmac('sha1', PERSONALIZATION_AUTH_KEY)
               .update(jsonBody)
               .digest('hex');
   
           const { data: { data } } = yield call(request, API_URL, {
               method: 'POST',
               header: reqBodyDigest,
               data: JSON.stringify({
                   userId,
                   deviceId,
                   usecases,
                   googleAdId
               })
           })
           console.log("Personalized Data---------------->>>>>>>>>>>>>>>>", data);
           let obj = {}
           data.forEach((value, index) => {
               obj[data[index]['widgetName']] = data[index]
           })
           yield put(personalizationDataSuccess(obj))
       }
       catch (error) {
           console.log("personalizationDataError----------->>>>>>>>>>>.", error);
           personalizationDataError(error)
       }
   

   Can anyone please help me with this.
5. fiatjaf commented on Oct 19, 2022

   

   fiatjaf

   on Oct 19, 2022

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   @RahulPant1289 the solution is right above your comment.
6. mijoco-btc

   added a commit that references this issue on Jan 26, 2023

   Bug Fix: Transform.call inside bitcoinjs incorrectly polyfilled - see…

   ...

   32ef9ff